GM Service Manual Online
For 1990-2009 cars only

Gear

Shift SOL 1 (X)

Shift SOL 2 (Y)

Dampener Bypass Valve PC SOL 5 N.L.

C1-3R CL PC SOL 4 N.L.

CB 1-2R/CB4 CL PC SOL 3 N.H.

C 2-3-4 CL PC SOL 2 N.H.

Modulated Line Pressure PC SOL 1 N.H.

Gear Ratio

Park/Neutral

ON

OFF

OFF

OFF

OFF

OFF

ON

--

Engine Start

OFF

OFF

ON

OFF

OFF

OFF

ON

--

Mode 1 Reverse

ON

OFF

OFF

OFF

ON

OFF

ON

0 to -2.8

Neutral

ON

OFF

OFF

OFF

OFF

OFF

ON

--

EVT Mode 1

ON

OFF

OFF

OFF

ON

OFF

ON

Infinity to 3.26

Drive 1st

ON

OFF

OFF

ON

ON

OFF

ON

3.26

Drive 2nd

ON

OFF

OFF

OFF

ON

ON

ON

1.88

EVT Mode 2

ON

ON

OFF

OFF

OFF

ON

ON

1.0 ro.62

Drive 3rd

ON

ON

OFF

ON

OFF

ON

ON

1.01

Drive 4th

ON

ON

OFF

OFF

ON

ON

ON

0.62

Power Off Low Default

OFF

OFF

OFF

OFF

ON

ON

ON

--

Power Off High Default

OFF

OFF

OFF

OFF

ON

ON

ON

--

For shift solenoids 1 and 2, "ON" = Solenoid Energized (Pressurized) "OFF" = Solenoid De-energized (No Pressure).

For pressure control solenoids, "ON" = Pressurized, "OFF" = No Pressure